-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 To ensure the image has not been corrupted in transmit or tampered with, perform the following two steps to cryptographically verify image integrity: 1. Verify the authenticity of this file by checking that it is signed with our GPG release key: $ curl https://keybase.io/turnkeylinux/pgp_keys.asc | gpg --import $ gpg --list-keys --with-fingerprint release@turnkeylinux.com pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] Key fingerprint = 694C FF26 795A 29BA E07B 4EB5 85C2 5E95 A16E B94D uid Turnkey Linux Release Key $ gpg --verify turnkey-lapp-14.2-jessie-amd64.iso.hash gpg: Signature made using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key " For extra credit you can validate the key's authenticity at: https://keybase.io/turnkeylinux 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum turnkey-lapp-14.2-jessie-amd64.iso 6912e8f4be224a7a1788867774f883605f022da9e72910079efd25ec2de6bf23 turnkey-lapp-14.2-jessie-amd64.iso $ sha512sum turnkey-lapp-14.2-jessie-amd64.iso 4d5fdc3000a1eeaa1b1b71b8ecd3f5c7dcdbae189c81e72943570c65f86a36eda0ed7e445467a449b63e1995ff6e6ae1d90346d5f723ea2061a6714d9abf8bba turnkey-lapp-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-lapp-14.2-jessie-amd64.iso.hash turnkey-lapp-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-lapp-14.2-jessie-amd64.iso.hash turnkey-lapp-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZAJDpAAoJEIXCXpWhbrlNX5gIAJ7sExagIq77JL/aZ/IxLVfn f8iexrLv8rwDf34V7kLX8wuBpSpqD0dRpJoNqMej2cswi1OWtp0Wa6t6EQtP8Jok MxAmWYo5lJtPLsz7ILbgUj8xjt0mhcK4Bb+8ycg21Oh765T3JwdVAsK23/m43cwJ bwALBfBiaebWBDAkyBbcuYP/i32Sbwd0jNib99vcLvCivzsamhFbvOC4HHFY0++e TbQfHQGFmHI8iOfuAsQxyLnKzwSVmzsRnnxfp1UiBOmvN+lQXOE/wRanS+R6DLog PN4EomvBXiyjQkUxTPBjMSv+5+qb/w2ivWKSNia5oTV4cRzfJftXiOC5Y9POoVk= =hasT -----END PGP SIGNATURE-----